Key points 정리 book for the Mathematics Skills Certification Test. Includes a comprehensive collection of problems and explanations. - Title: Practical Mathematics Skills Certification 2 Pre Key Points 정리 준 2급 (Level 2 Pre) - Contents: Mathematics problem collection with explanations - Price: Regular price: ¥1,200 - Target Grade Level: 3rd year of junior high school, 1st year of high school - Publisher: Japan Mathematics Certification Association Although it is new and unused, there may be some scratches from home storage.